I started up the 650 today and it idled fine. Took it off the skid and decided to take it for a boot. It started to idle down abit, i hit the throttle abit but bogged a little to get it back up. It idled fine again. Got on it and wouldnt move very far at all. Basically was a smoke show. Any ideas why its doing this? I called a shop and said that the choke cables like to stick. Could this be the problem?